diff --git a/website/docs/source/v2/provisioning/docker.html.md b/website/docs/source/v2/provisioning/docker.html.md
index daa9651f4..a2c5d8976 100644
--- a/website/docs/source/v2/provisioning/docker.html.md
+++ b/website/docs/source/v2/provisioning/docker.html.md
@@ -53,7 +53,8 @@ of these functions have examples in more detailed sections below.
 
 * `pull_images` - Pull the given images. This does not start these images.
 
-* `run` - Run a container and configure it to start on boot.
+* `run` - Run a container and configure it to start on boot. This can
+  only be specified once.
 
 ## Building Images